EP0443396A2 - Apparatus to cut longitudinally a moving strip of material - Google Patents

Apparatus to cut longitudinally a moving strip of material Download PDF

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Publication number
EP0443396A2
EP0443396A2 EP19910101855 EP91101855A EP0443396A2 EP 0443396 A2 EP0443396 A2 EP 0443396A2 EP 19910101855 EP19910101855 EP 19910101855 EP 91101855 A EP91101855 A EP 91101855A EP 0443396 A2 EP0443396 A2 EP 0443396A2
Authority
EP
European Patent Office
Prior art keywords
enclosure
strip
blade
carriage
slitting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19910101855
Other languages
German (de)
French (fr)
Other versions
EP0443396A3 (en
EP0443396B1 (en
Inventor
Lothar Schroeder
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Peters Maschinenfabrik GmbH
Original Assignee
Peters Maschinenfabrik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Peters Maschinenfabrik GmbH filed Critical Peters Maschinenfabrik GmbH
Publication of EP0443396A2 publication Critical patent/EP0443396A2/en
Publication of EP0443396A3 publication Critical patent/EP0443396A3/en
Application granted granted Critical
Publication of EP0443396B1 publication Critical patent/EP0443396B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/10—Arrangements for cooling or lubricating tools or work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/08—Protective coverings for parts of machine tools; Splash guards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/22—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with a movable member, e.g. a roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/08—Means for treating work or cutting member to facilitate cutting
    • B26D7/088—Means for treating work or cutting member to facilitate cutting by cleaning or lubricating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/08—Means for treating work or cutting member to facilitate cutting
    • B26D7/10—Means for treating work or cutting member to facilitate cutting by heating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/263—With means to apply transient nonpropellant fluent material to tool or work
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/283—With means to control or modify temperature of apparatus or work
    • Y10T83/293—Of tool
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/768—Rotatable disc tool pair or tool and carrier
    • Y10T83/7793—Means to rotate or oscillate tool
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/869—Means to drive or to guide tool
    • Y10T83/8748—Tool displaceable to inactive position [e.g., for work loading]
    • Y10T83/8749—By pivotal motion

Definitions

  • the present invention relates to a device for slitting a strip of traveling material along its length, as defined in the preamble of claim 1.
  • the device used for splitting a strip of corrugated cardboard or the like which runs along comprises a tool and a counter-tool, each of which has the shape of a disc.
  • the tool is mounted on a first rotary shaft, the counter-tool on a second rotary shaft parallel to the first, the two shafts being oriented perpendicular to the direction of travel of the strip and spaced apart so that the tool and the counter -tool have a small portion of the periphery of their disc pressed in contact one against the other so as to cut in a manner analogous to the action of a chisel, the strip of material.
  • the peripheral speed of the two discs is identical and in principle higher than the tape running speed. It should be noted that several tools and counter-tools can be transversely distributed over the strip to be split. Likewise, their position must be able to vary according to needs.
  • the present invention therefore aims to provide a splitting device along a strip of material which scrolls which eliminates the drawbacks described above. This object is achieved by a device according to claim 1.
  • Figure 1 is a section through a slitting machine along a strip B which runs. The cut is made longitudinally, that is to say parallel to the direction of travel of the strip B.
  • a slitting tool 1 is mounted on one of the slitting devices R transversely distributed along the width of strip B.
  • the machine comprises a main support S extending over the entire width and below the strip B and provided with two transverse rails T1, T2 and a rack bar E.
  • the main support S is mounted on two side walls P (only one of which is visible in FIG. 1) between which the strip B travels.
  • Each slitting device R is fixed to the first end of a rocking lever L, the other end of which is mounted in free pivoting on a carriage C transversely displaceable by means of slides G1, G2 in engagement with the rails T1, T2 of the main support S.
  • a motor M fixed on each carriage C is provided for moving, by means of a toothed wheel D in engagement with the rack E, the carriage C in order to position the corresponding slitting device R.
  • the lever L is tilted by a pneumatic cylinder F interposed between the carriage C and the lever L.
  • the lever L - carriage C - pneumatic cylinder F assembly is arranged so that the slitting device R can be tilted between a first position work where its tool 1 can split the strip B and a second so-called rest position where the tool is completely out of the passage traveled by the strip B.
  • the actual tool 1 consists of a thin circular steel blade up to 0.8 mm thick and whose radial periphery, after sharpening or not, is beveled to form a sharp or cutting edge.
  • the circular blade can be made of steel, ceramic or treated steel, for example plasma, etc.)
  • the circular blade 1 is sandwiched by two jaws 2, 3 in the form of a disc whose axis coincides with that of the circular blade 1 but whose diameter is less than that of the latter (see FIGS. 2 and 3).
  • a shaft 7 is mounted in free rotation, using rolling bearings 60, inside a bore 6 provided at the free end of the rocking lever L. The length of the shaft 7 is such that its two ends emerge from the rocking lever L.
  • first jaw 3 On a first end of the shaft 7 are mounted the two jaws 2, 3 of the circular blade 1 each provided with an opening suitable for the shaft 7.
  • a first jaw 3 abuts against a circular crown 71 of the shaft 7.
  • Three studs 3a angularly distributed in engagement with this crown 71 and a corresponding orifice of the first jaw 3 block this jaw 3 in rotation on the shaft 7.
  • the first end of the shaft 7 is provided with a threaded part 72 engaged with a corresponding thread of the second jaw 2 so as to be able, by screwing, to press the two jaws 2, 3 against each other to achieve the final locking in rotation of the circular blade 1 p ar relative to the shaft 7.
  • a first toothed pulley 8 is keyed on the second end of the shaft 7.
  • the pivot axis of the lever L is coincident with that of a transverse shaft (that is to say perpendicular to the direction of travel of the strip) of transmission 9 of square section and each end of which is rotatably mounted on bearings (not shown) provided on the two side walls P.
  • the drive shaft 9 is rotated at least at one end (by means not represented).
  • On this transmission shaft 9 is mounted locked in rotation a second toothed wheel 10 connected by a toothed belt 11 to the first toothed wheel 8.
  • the carriage C is provided with a bore 12 whose axis coincides with that of the transmission shaft 9 and in which a sleeve 13 can freely rotate in rotation thanks to rolling bearings 14 interposed between the carriage C and the sleeve 13.
  • the sleeve 13 is provided with a square bore so as to be able to slide freely along the transmission shaft 9.
  • the carriage C is also provided with a cylindrical hub 15 whose axis coincides with that of the transmission shaft 9. This hub 15 penetrates inside an opening corresponding to the rocking lever L.
  • a smooth bearing 16 is interposed between the hub 15 and the lever L so that the latter can freely pivot relative to the carriage C.
  • a washer 18 prevents the lever L from escaping from the hub 15.
  • a plate 30 of square shape and centered on the transmission shaft 9 is fixed on the rocking lever L in the space between the latter and the first jaw 3. for this, a cylindrical part 31 of the rocking lever L is engaged with a corresponding opening provided on the plate 30.
  • a cover 32 of square shape and rectangular section is fixed using screws 33 on the plate 30. The shape and arrangement of the plate 30 and the cover 32 are such that the two elements form an enclosure 36 completely surrounding the rotary blade 1 with the exception of the upper end of the latter which can pass through a thin slot 35 in the upper wall of the cover 32.
  • the rotary blade 1 emerges outside the enclosure of a height equal, for example, to 1.5 to 3 times the thickness of the strip of material B to be split.
  • a guide plate 40 can be provided upstream of the slitting devices R Exactly above the rotary blade 1 can be provided a rotary brush 50 extending over the entire width of the strip B and intended to slightly press the strip B in the direction of the upper wall 39 of the enclosure 36.
  • the enclosure 36 is filled with a cooling fluid such as water or the like, intended to cool the blade 1 which tends to very strongly heat up by friction during the operation of slitting the strip B, by example of corrugated cardboard.
  • the cooling fluid also performs a lubrication function between the blade l and the strip of material B.
  • the enclosure 36 On the enclosure 36 are also provided means for bringing 90 and returning 91 of the cooling fluid.
  • a sort of doctor blade (not shown) intended to remove adhesive residues present on the blade and which result, for example, from the slitting of a strip of corrugated cardboard, the different layers of which have been joined by gluing.
  • the strip B can be provided an enclosure 80 including the rotary brush 50 to avoid dispersion, around, of the cooling fluid which could spray out through the slot 35.
  • the cooling fluid should preferably be maintained at a temperature below the melting point of the glue of the corrugated board.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Making Paper Articles (AREA)
  • Nonmetal Cutting Devices (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Advancing Webs (AREA)
  • Shearing Machines (AREA)
  • Package Closures (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Knives (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

La présente invention concerne une machine destinée à fendre en long une bande de matière qui défile, telle que du carton ondulé ou similaire, comprenant un outil de refendage sous forme d'une fine lame circulaire rotative (1) dont la périphérie radiale forme une arête coupante. La lame rotative (1) est enfermée dans une enceinte (36) de manière à ce que seule une petite portion de l'arête coupante émerge au dehors de l'enceinte (36) au travers d'une fine fente prévue sur une paroi de l'enceinte, cette paroi étant destinée à être placée à proximité immédiate de la bande à fendre (B). L'enceinte (36) est remplie d'un liquide de refroidissement et de lubrification de la lame rotative (1). Des moyens d'entraînement en rotation de la lame rotative (1) sont prévus. <IMAGE>The present invention relates to a machine for splitting a strip of moving material along, such as corrugated cardboard or the like, comprising a slitting tool in the form of a thin circular circular blade (1) whose radial periphery forms an edge sharp. The rotary blade (1) is enclosed in an enclosure (36) so that only a small portion of the cutting edge emerges outside the enclosure (36) through a thin slot provided on a wall of the enclosure, this wall being intended to be placed in the immediate vicinity of the strip to be split (B). The enclosure (36) is filled with a coolant and lubricant for the rotary blade (1). Means for driving the rotary blade (1) in rotation are provided. <IMAGE>

Description

La présente invention concerne un dispositif à fendre en long une bande de matière qui défile, tel que défini dans le préambule de la revendication 1.The present invention relates to a device for slitting a strip of traveling material along its length, as defined in the preamble of claim 1.

Jusqu'à ce jour, le dispositif utilisé pour fendre en long une bande de carton ondulé ou similaire qui défile comprend un outil et un contre-outil qui ont chacun la forme d'un disque.To date, the device used for splitting a strip of corrugated cardboard or the like which runs along comprises a tool and a counter-tool, each of which has the shape of a disc.

L'outil est monté sur un premier arbre rotatif, le contre-outil sur un second arbre rotatif parallèle au premier, les deux arbres étant orientés perpendiculairement au sens de défilement de la bande et distants entre eux de façon que l'outil et le contre-outil aient une petite portion du pourtour de leur disque pressée en contact l'une contre l'autre de façon à couper de manière analogue à l'action d'un ciseau, la bande de matière. Généralement, la vitesse périphérique des deux disques est identique et en principe supérieure à la vitesse de défilement de la bande. Il est à remarquer que plusieurs outils et contre-outils peuvent être transversalement répartis sur la bande à fendre. De même, leur position doit pouvoir varier en fonction des besoins.The tool is mounted on a first rotary shaft, the counter-tool on a second rotary shaft parallel to the first, the two shafts being oriented perpendicular to the direction of travel of the strip and spaced apart so that the tool and the counter -tool have a small portion of the periphery of their disc pressed in contact one against the other so as to cut in a manner analogous to the action of a chisel, the strip of material. Generally, the peripheral speed of the two discs is identical and in principle higher than the tape running speed. It should be noted that several tools and counter-tools can be transversely distributed over the strip to be split. Likewise, their position must be able to vary according to needs.

Ces dispositifs connus de fendage en long, avec outil et contre-outil qui découpent la bande d'une manière en quelque sorte identique à celle d'une paire de ciseaux, ont le grave inconvénient de ne pas réaliser une coupe lisse et sans bavure de la bande qui défile, et de provoquer à l'endroit de refendage un phénomène de formation de poils ou de fines peluches en relativement grande quantité qui vont en suite se propager sur la surface plane de la bande pour y former une sorte de couche de poussière très néfaste à certaines opérations suivantes de traitement de surface, surtout à celle d'impression par flexographie.These known devices for splitting lengthwise, with a tool and a counter-tool which cut the strip in a manner identical to that of a pair of scissors, have the serious drawback of not making a smooth cut without burrs of the strip which passes, and to cause at the slitting place a phenomenon formation of hair or fine fluff in relatively large quantity which will then propagate on the flat surface of the strip to form a sort of layer of dust very harmful to certain subsequent operations of surface treatment, especially to that of flexographic printing.

La présente invention a donc pour but de réaliser un dispositif de fendage en long d'une bande de matière qui défile qui élimine les inconvénients décrits ci-dessus. Ce but est atteint grâce à un dispositif selon la revendication 1.The present invention therefore aims to provide a splitting device along a strip of material which scrolls which eliminates the drawbacks described above. This object is achieved by a device according to claim 1.

Il sera maintenant décrit un mode de réalisation de l'invention en référence au dessin annexé dans lequel :

  • la figure 1 représente une vue en coupe d'une machine destinée à fendre en long une bande qui défile selon la présente invention,
  • la figure 2 représente une coupe selon A - A de la figure 1, et
  • la figure 3 représente une vue en coupe plus détaillée d'une partie de la figure 2.
An embodiment of the invention will now be described with reference to the accompanying drawing in which:
  • FIG. 1 represents a sectional view of a machine intended to split lengthwise a strip which runs according to the present invention,
  • FIG. 2 represents a section along A - A of FIG. 1, and
  • FIG. 3 represents a more detailed sectional view of part of FIG. 2.

La figure 1 est une coupe d'une machine de refendage en long d'une bande B qui défile. La coupe est réalisée longitudinalement, c'est-à-dire parallèlement au sens de défilement de la bande B. Un outil de refendage 1 est monté sur un des dispositifs de refendage R transversalement répartis au long de la largeur de la bande B. La machine comprend un support principal S s'étendant sur toute la largeur et au-dessous de la bande B et muni de deux rails transversaux T1, T2 et d'une barre à crémaillère E. Le support principal S est monté sur deux parois latérales P (dont une seule est visible sur la figure 1) entre lesquelles défile la bande B. Chaque dispositif de refendage R est fixé sur la première extrémité d'un levier basculant L dont l'autre extrémité est montée en pivotement libre sur un chariot C transversalement déplaçable grâce à des glissières G1, G2 en prise avec les rails T1, T2 du support principal S. Un moteur M fixé sur chaque chariot C est prévu pour déplacer, par l'intermédiaire d'une roue dentée D en prise avec la crémaillère E, le chariot C en vue de positionner le dispositif de refendage R correspondant. Le basculement du levier L est obtenu par un vérin pneumatique F interposé entre le chariot C et le levier L. L'ensemble levier L - chariot C - vérin pneumatique F est arrangé de façon à pouvoir basculer le dispositif de refendage R entre une première position de travail où son outil 1 peut fendre la bande B et une seconde position dite de repos où l'outil est totalement hors du passage parcouru par la bande B.Figure 1 is a section through a slitting machine along a strip B which runs. The cut is made longitudinally, that is to say parallel to the direction of travel of the strip B. A slitting tool 1 is mounted on one of the slitting devices R transversely distributed along the width of strip B. The machine comprises a main support S extending over the entire width and below the strip B and provided with two transverse rails T1, T2 and a rack bar E. The main support S is mounted on two side walls P (only one of which is visible in FIG. 1) between which the strip B travels. Each slitting device R is fixed to the first end of a rocking lever L, the other end of which is mounted in free pivoting on a carriage C transversely displaceable by means of slides G1, G2 in engagement with the rails T1, T2 of the main support S. A motor M fixed on each carriage C is provided for moving, by means of a toothed wheel D in engagement with the rack E, the carriage C in order to position the corresponding slitting device R. The lever L is tilted by a pneumatic cylinder F interposed between the carriage C and the lever L. The lever L - carriage C - pneumatic cylinder F assembly is arranged so that the slitting device R can be tilted between a first position work where its tool 1 can split the strip B and a second so-called rest position where the tool is completely out of the passage traveled by the strip B.

L'outil proprement dit 1 est constitué d'une fine lame circulaire en acier ayant jusqu'à 0,8 mm d'épaisseur et dont la périphérie radiale, après aiguisage ou non, est en biseau pour former une arête tranchante ou coupante. La lame circulaire peut être en acier, en céramique ou en acier traité, par exemple au plasma, etc.) La lame circulaire 1 est prise en sandwich par deux mâchoires 2, 3 sous forme de disque dont l'axe est confondu avec celui de la lame circulaire 1 mais dont le diamètre est inférieur à celui de cette dernière (voir figure 2 et 3). Un arbre 7 est monté en rotation libre, à l'aide de paliers à roulements 60, à l'intérieur d'un alésage 6 prévu à l'extrémité libre du levier basculant L. La longueur de l'arbre 7 est telle que ses deux extrémités émergent hors du levier basculant L. Sur une première extrémité de l'arbre 7 sont montées les deux mâchoires 2, 3 de la lame circulaire 1 munies chacune d'une ouverture adéquate pour l'arbre 7. Une première mâchoire 3 vient buter contre une couronne circulaire 71 de l'arbre 7. Trois goujons 3a angulairement répartis en prise avec cette couronne 71 et un orifice correspondant de la première mâchoire 3 bloquent en rotation cette mâchoire 3 sur l'arbre 7. La première extrémité de l'arbre 7 est munie d'une partie filetée 72 en prise avec un filetage correspondant de la seconde mâchoire 2 de manière à pouvoir, par vissage, presser les deux mâchoires 2, 3 l'une contre l'autre pour réaliser le blocage définitif en rotation de la lame circulaire 1 par rapport à l'arbre 7. Une première poulie dentée 8 est montée clavetée sur la second extrémité de l'arbre 7.The actual tool 1 consists of a thin circular steel blade up to 0.8 mm thick and whose radial periphery, after sharpening or not, is beveled to form a sharp or cutting edge. The circular blade can be made of steel, ceramic or treated steel, for example plasma, etc.) The circular blade 1 is sandwiched by two jaws 2, 3 in the form of a disc whose axis coincides with that of the circular blade 1 but whose diameter is less than that of the latter (see FIGS. 2 and 3). A shaft 7 is mounted in free rotation, using rolling bearings 60, inside a bore 6 provided at the free end of the rocking lever L. The length of the shaft 7 is such that its two ends emerge from the rocking lever L. On a first end of the shaft 7 are mounted the two jaws 2, 3 of the circular blade 1 each provided with an opening suitable for the shaft 7. A first jaw 3 abuts against a circular crown 71 of the shaft 7. Three studs 3a angularly distributed in engagement with this crown 71 and a corresponding orifice of the first jaw 3 block this jaw 3 in rotation on the shaft 7. The first end of the shaft 7 is provided with a threaded part 72 engaged with a corresponding thread of the second jaw 2 so as to be able, by screwing, to press the two jaws 2, 3 against each other to achieve the final locking in rotation of the circular blade 1 p ar relative to the shaft 7. A first toothed pulley 8 is keyed on the second end of the shaft 7.

L'axe de pivotement du levier L est confondu avec celui d'un arbre transversal (c'est-à-dire perpendiculaire au sens de défilement de la bande) de transmission 9 de section carrée et dont chaque extrémité est montée en rotation sur des paliers (non représentés) prévus sur les deux parois latérales P. L'arbre de transmission 9 est entraîné en rotation au moins à une extrémité (par des moyens non représentés). Sur cet arbre de transmission 9 est montée bloquée en rotation une seconde roue dentée 10 reliée par une courroie dentée 11 à la première roue dentée 8. Le chariot C est muni d'un alésage 12 dont l'axe est confondu avec celui de l'arbre de transmission 9 et dans lequel une douille 13 peut librement tourner en rotation grâce à des paliers à roulements 14 interposés entre le chariot C et la douille 13. La douille 13 est munie d'un alésage de forme carrée de manière à pouvoir librement coulisser le long de l'arbre de transmission 9. Le chariot C est aussi muni d'un moyeu cylindrique 15 dont l'axe est confondu avec celui de l'arbre de transmission 9. Ce moyeu 15 pénètre à l'intérieur d'une ouverture correspondante du levier basculant L. Un palier lisse 16 est interposé entre le moyeu 15 et le levier L de manière que ce dernier puisse librement pivoter par rapport au chariot C. Une rondelle 18 empêche que le levier L puisse s'échapper du moyeu 15.The pivot axis of the lever L is coincident with that of a transverse shaft (that is to say perpendicular to the direction of travel of the strip) of transmission 9 of square section and each end of which is rotatably mounted on bearings (not shown) provided on the two side walls P. The drive shaft 9 is rotated at least at one end (by means not represented). On this transmission shaft 9 is mounted locked in rotation a second toothed wheel 10 connected by a toothed belt 11 to the first toothed wheel 8. The carriage C is provided with a bore 12 whose axis coincides with that of the transmission shaft 9 and in which a sleeve 13 can freely rotate in rotation thanks to rolling bearings 14 interposed between the carriage C and the sleeve 13. The sleeve 13 is provided with a square bore so as to be able to slide freely along the transmission shaft 9. The carriage C is also provided with a cylindrical hub 15 whose axis coincides with that of the transmission shaft 9. This hub 15 penetrates inside an opening corresponding to the rocking lever L. A smooth bearing 16 is interposed between the hub 15 and the lever L so that the latter can freely pivot relative to the carriage C. A washer 18 prevents the lever L from escaping from the hub 15.

Une plaque 30 de forme carrée et centrée sur l'arbre de transmission 9 est fixée sur le levier basculant L dans l'espace compris entre ce dernier et la première mâchoire 3. pour cela, une partie cylindrique 31 du levier basculant L est en prise avec une ouverture correspondante prévue sur la plaque 30. Un couvercle 32 de forme carrée et de section rectangulaire est fixé à l'aide de vis 33 sur la plaque 30. La forme et la disposition de la plaque 30 et du couvercle 32 sont telles que les deux éléments forment une enceinte 36 entourant totalement la lame rotative 1 à l'exception de l'extrémité supérieure de cette dernière qui peut passer au travers d'une fine fente 35 de la paroi supérieure du couvercle 32. La lame rotative 1 émerge hors de l'enceinte d'une hauteur égale, par exemple, à 1,5 à 3 fois l'épaisseur de la bande de matière B à fendre.A plate 30 of square shape and centered on the transmission shaft 9 is fixed on the rocking lever L in the space between the latter and the first jaw 3. for this, a cylindrical part 31 of the rocking lever L is engaged with a corresponding opening provided on the plate 30. A cover 32 of square shape and rectangular section is fixed using screws 33 on the plate 30. The shape and arrangement of the plate 30 and the cover 32 are such that the two elements form an enclosure 36 completely surrounding the rotary blade 1 with the exception of the upper end of the latter which can pass through a thin slot 35 in the upper wall of the cover 32. The rotary blade 1 emerges outside the enclosure of a height equal, for example, to 1.5 to 3 times the thickness of the strip of material B to be split.

Comme cela est visible sur la figure 1, à l'endroit du refendage, la bande est uniquement supportée par la paroi supérieure 39 du couvercle 32. Par contre, une plaque de guidage 40 peut être prévue à l'amont des dispositifs de refendage R. Exactement au-dessus de la lame rotative 1 peut être prévue une brosse rotative 50 s'étendant sur toute la largeur de la bande B et destinée à presser légèrement la bande B en direction de la paroi supérieure 39 de l'enceinte 36.As can be seen in FIG. 1, at the location of the slitting, the strip is only supported by the upper wall 39 of the cover 32. On the other hand, a guide plate 40 can be provided upstream of the slitting devices R Exactly above the rotary blade 1 can be provided a rotary brush 50 extending over the entire width of the strip B and intended to slightly press the strip B in the direction of the upper wall 39 of the enclosure 36.

L'enceinte 36 est remplie d'un fluide de refroidissement tel que de l'eau ou similaire, destiné à refroidir la lame 1 qui a tendance à très fortement s'échauffer par frottement pendant l'opération de refendage de la bande B, par exemple du carton ondulé. Le fluide de refroidissement exerce aussi une fonction de lubrification entre la lame l et la bande de matière B.The enclosure 36 is filled with a cooling fluid such as water or the like, intended to cool the blade 1 which tends to very strongly heat up by friction during the operation of slitting the strip B, by example of corrugated cardboard. The cooling fluid also performs a lubrication function between the blade l and the strip of material B.

Des essais ont montré que dans le cas où la lame rotative 1 tourne dans le sens contraire au défilement de la bande B, sa vitesse périphérique peut être maintenue constante même dans le cas d'une augmentation de la vitesse de défilement de la bande B. Par contre, dans le cas où la lame coupante 1 tourne dans le sens du défilement de la bande B, sa vitesse périphérique, qui est supérieure à celle de défilement, doit être augmentée lorsque cette dernière augmente. Dans les deux cas, toutefois, la vitesse périphérique de la lame rotative 1 est plus élevée que celle généralement utilisée jusqu'ici pour les outils et contre-outils de refendage selon l'art antérieur et peut aller jusqu'à trois fois la vitesse de défilement de la bande B lorsque la lame rotative 1 tourne dans le sens de défilement et jusqu'à cinq fois lorsqu'elle tourne dans le sens opposé au défilement.Tests have shown that in the case where the rotary blade 1 rotates in the opposite direction to the travel of the strip B, its peripheral speed can be kept constant even in the case of an increase in the travel speed of the strip B. On the other hand, in the case where the cutting blade 1 rotates in the direction of travel of the strip B, its peripheral speed, which is higher than that of travel, must be increased when the latter increases. In both cases, however, the peripheral speed of the rotary blade 1 is higher than that generally used hitherto for slitting tools and counter-tools according to the prior art and can go up to three times the speed of travel of the strip B when the rotary blade 1 rotates in the travel direction and up to five times when it rotates in the opposite direction to the scroll.

Sur l'enceinte 36 sont aussi prévus des moyens d'amener 90 et de retour 91 du fluide de refroidissement. De même, à l'intérieur de l'endroit où la lame coupante 1 émerge hors de l'enceinte 36, il est possible de prévoir une sorte de râcle (non représentée) destinée à ôter des résidus de colle présents sur la lame et qui résultent, par exemple, du refendage d'une bande de carton ondulé dont les différentes couches ont été réunies par collage. De même, au-dessus de la bande B peut être prévue une enceinte 80 englobant la brosse rotative 50 pour éviter une dispersion, à l'entourage, du fluide de refroidissement qui pourrait jaillir au travers de la fente 35. A l'intérieur de l'enceinte 36, le fluide de refroidissement doit, de préférence, être maintenu à une température située au-dessous du point de fusion de la colle du carton ondulé.On the enclosure 36 are also provided means for bringing 90 and returning 91 of the cooling fluid. Likewise, inside the place where the cutting blade 1 emerges from the enclosure 36, it is possible to provide a sort of doctor blade (not shown) intended to remove adhesive residues present on the blade and which result, for example, from the slitting of a strip of corrugated cardboard, the different layers of which have been joined by gluing. Likewise, above the strip B can be provided an enclosure 80 including the rotary brush 50 to avoid dispersion, around, of the cooling fluid which could spray out through the slot 35. Inside enclosure 36, the cooling fluid should preferably be maintained at a temperature below the melting point of the glue of the corrugated board.

Claims (11)

Dispositif destiné à fendre en long une bande de matière qui défile, telle que du carton ondulé ou similaire, comprenant un outil de refendage sous forme d'une fine lame circulaire rotative (1) dont la périphérie radiale forme une arête coupante, caractérisé en ce que la lame rotative (1) est enfermée dans une enceinte (36) de manière à ce que seule une petite portion de l'arête coupante émerge au dehors de l'enceinte (36) au travers d'une fine fente (35) prévue sur une paroi (39) de l'enceinte (36), cette paroi (39) étant destinée à être placée à proximité immédiate de la bande à fendre (B), l'enceinte (36) est remplie d'un liquide de refroidissement et de lubrification de la lame rotative (1), et des moyens (2, 3, 7) d'entraînement en rotation de la lame rotative (1) sont prévus.Device for splitting a strip of moving material, such as corrugated cardboard or the like, comprising a slitting tool in the form of a thin circular rotating blade (1), the radial periphery of which forms a cutting edge, characterized in that that the rotary blade (1) is enclosed in an enclosure (36) so that only a small portion of the cutting edge emerges outside the enclosure (36) through a thin slot (35) provided on a wall (39) of the enclosure (36), this wall (39) being intended to be placed in the immediate vicinity of the strip to be split (B), the enclosure (36) is filled with a coolant and lubricating the rotary blade (1), and means (2, 3, 7) for rotating the rotary blade (1). Dispositif selon la revendication 1, caractérisé en ce que les moyens d'entraînement en rotation de la lame rotative (1) comprennent un arbre rotatif (7) dont une première extrémité pénètre à l'intérieur de l'enceinte (36) et sur laquelle sont montées bloquées en rotation deux mâchoires (3, 2) sous forme de disques circulaires prenant entre eux en sandwich la lame rotative (1), l'une des mâchoires (2) pouvant être pressée en direction de l'autre mâchoire (3) par vissage sur un filetage correspondant (72) prévu sur l'arbre (7), la seconde extrémité de l'arbre (7) émergeant hors de l'enceinte (36) et étant munie d'une première poulie d'entraînement (8).Device according to claim 1, characterized in that the means for driving the rotary blade in rotation (1) comprise a rotary shaft (7), a first end of which penetrates inside the enclosure (36) and on which are mounted locked in rotation two jaws (3, 2) in the form of circular discs sandwiching between them the rotating blade (1), one of the jaws (2) being able to be pressed in the direction of the other jaw (3) by screwing on a corresponding thread (72) provided on the shaft (7), the second end of the shaft (7) emerging from the enclosure (36) and being provided with a first drive pulley (8 ). Dispositif selon la revendication 1 ou 2, caractérisé en ce que la lame (1) est en acier, en céramique ou en acier traité, par exemple au plasma, etc, et possède une épaisseur inférieure à 0,8 mm.Device according to claim 1 or 2, characterized in that the blade (1) is made of steel, ceramic or treated steel, for example plasma, etc., and has a thickness of less than 0.8 mm. Machine de refendage en long d'une bande de matière qui défile, telle que du carton ondulé ou similaire, munie d'au moins un outil (1) de refendage déplaçable entre une première position de travail dans laquelle il peut fendre la bande (B) qui défile, et une seconde position dans laquelle il est hors du passage prévu pour la bande (B), caractérisé en ce qu'elle est munie d'au moins un dispositif de refendage (R) selon l'une des revendications 1 à 3.Slitting machine along a strip of moving material, such as corrugated cardboard or the like, provided with at least one slitting tool (1) movable between a first working position in which it can split the strip (B ) which scrolls, and a second position in which it is out of the passage provided for the strip (B), characterized in that it is provided with at least one slitting device (R) according to one of claims 1 to 3. Machine de refendage en long selon la revendication 4, caractérisée en ce que chaque dispositif de refendage (R) est monté sur un support (L) déplaçable entre ladite première et seconde position, le support (L) étant monté sur un chariot (C) déplaçable perpendiculairement au sens de défilement.Longitudinal slitting machine according to claim 4, characterized in that each slitting device (R) is mounted on a support (L) movable between said first and second positions, the support (L) being mounted on a carriage (C) movable perpendicular to the direction of travel. Machine de refendage en long selon la revendication 5, caractérisée en ce que le support est un levier (L) basculant comprenant une première extrémité libre sur laquelle est fixé le dispositif de refendage (R) et une seconde extrémité montée en pivotement libre sur le chariot (C), des moyens (F) étant prévus pour basculer le levier (L) entre ladite première et seconde position.Longitudinal slitting machine according to claim 5, characterized in that the support is a tilting lever (L) comprising a first free end on which the slitting device (R) is fixed and a second end pivotally mounted on the carriage (C), means (F) being provided for tilting the lever (L) between said first and second position. Machine de refendage en long selon la revendication 5, munie d'un dispositif de refendage (R) selon la revendication 2, caractérisée en ce que, sur un arbre transversal de transmission (9) dont l'axe est confondu avec l'axe de basculement du levier (L) par rapport au chariot (C), est montée bloquée en rotation une seconde poulie d'entraînement (10) reliée par une courroie crantée (11) ou similaire à la première poulie (8) en vue d'entraîner en rotation la lame (1).Longitudinal slitting machine according to claim 5, provided with a slitting device (R) according to claim 2, characterized in that, on a transverse transmission shaft (9) whose axis coincides with the axis of tilting of the lever (L) relative to the carriage (C), is mounted locked in rotation a second drive pulley (10) connected by a toothed belt (11) or similar to the first pulley (8) in order to drive in rotation the blade (1). Machine de refendage en long selon la revendication 7, caractérisée en ce qu'elle est munie d'un support transversal (S) muni d'au moins un guidage (T1, T2) en prise avec des guidages correspondants (G1, G2) de chaque chariot (C) et d'une crémaillère (E) en prise avec une roue dentée (D) reliée à l'arbre de sortie d'un moteur (M) monté sur chaque chariot (C).Longitudinal slitting machine according to claim 7, characterized in that it is provided with a transverse support (S) provided with at least one guide (T1, T2) engaged with corresponding guides (G1, G2) of each carriage (C) and a rack (E) engaged with a toothed wheel (D) connected to the output shaft of a motor (M) mounted on each carriage (C). Machine de refendage en long selon la revendication 8, caractérisée en ce que l'arbre de transmission (9) passe au travers d'un alésage (12) de chaque chariot (C) et à l'intérieur duquel est prévue une douille (13) pouvant, d'une part, librement tourner, à l'aide de paliers (14), relativement au chariot (C) et, d'autre part, coulisser en léger glissement au long de la barre de transmission (9) de section carrée ou similaire, le levier (L) comprenant un alésage muni d'un palier lisse (16) dans lequel est montée en rotation libre une partie cylindrique (15) du chariot (C).Longitudinal slitting machine according to claim 8, characterized in that the drive shaft (9) passes through a bore (12) of each carriage (C) and inside which is a socket (13 ) being able, on the one hand, to freely rotate, by means of bearings (14), relative to the carriage (C) and, on the other hand, to slide in slight sliding along the section transmission bar (9) square or similar, the lever (L) comprising a bore provided with a smooth bearing (16) in which is mounted in free rotation a cylindrical part (15) of the carriage (C). Machine de refendage en long selon l'une des revendications 5 à 9, caractérisée en ce que l'enceinte (36) est constituée d'une plaque (30) fixée sur le levier (L) et centrée sur l'axe de la lame rotative (1) et d'un couvercle (32), la forme et les dimensions de la plaque (30) et du couvercle (32) étant telles que ces deux éléments forment une enceinte (36) entourant totalement la lame rotative (1) à l'exception de l'extrémité supérieure de la lame (1) qui peut passer au travers d'une fente (35) prévue dans ladite paroi (39) de l'enceinte (36), située à proximité immédiate de la bande (B) qui défile, de manière à guider et/ou supporter la bande (B) à l'endroit de refendage en long.Longitudinal slitting machine according to one of claims 5 to 9, characterized in that the enclosure (36) consists of a plate (30) fixed on the lever (L) and centered on the axis of the blade rotary (1) and a cover (32), the shape and dimensions of the plate (30) and the cover (32) being such that these two elements form an enclosure (36) completely surrounding the rotary blade (1) except for the upper end of the blade (1) which can pass through a slot (35) provided in said wall (39) of the enclosure (36), located in the immediate vicinity of the strip ( B) which runs, so as to guide and / or support the strip (B) at the longitudinal slitting location. Dispositif selon l'une des revendications précédentes, caractérisé en ce que l'enceinte (36) est munie de moyens d'introduction et de sortie (90, respectivement 91) du fluide de refroidissement.Device according to one of the preceding claims, characterized in that the enclosure (36) is provided with means for introducing and leaving (90, respectively 91) the cooling fluid.
EP19910101855 1990-02-21 1991-02-11 Apparatus to cut longitudinally a moving strip of material Expired - Lifetime EP0443396B1 (en)

Applications Claiming Priority (2)

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CH566/90A CH682645A5 (en) 1990-02-21 1990-02-21 Splitting machine in a long strip of material that scrolls.
CH566/90 1990-02-21

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EP0443396A2 true EP0443396A2 (en) 1991-08-28
EP0443396A3 EP0443396A3 (en) 1992-01-08
EP0443396B1 EP0443396B1 (en) 1994-11-09

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EP (1) EP0443396B1 (en)
JP (1) JPH07112678B2 (en)
AT (1) ATE113889T1 (en)
AU (1) AU639531B2 (en)
BR (1) BR9100697A (en)
CA (1) CA2036684C (en)
CH (1) CH682645A5 (en)
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ES2540377B1 (en) * 2013-12-05 2016-04-21 Tkt Brainpower Engineering, S.L. Cutting device for flexible material
CN106695971A (en) * 2016-12-05 2017-05-24 长园和鹰智能科技有限公司 Cutter mechanism of cutting machine and cutting machine
CN109591369B (en) * 2019-01-25 2020-06-02 佛山市恩泽纸品包装有限公司 Carton production is with dividing paper line press
CN111037629B (en) * 2019-12-25 2022-03-04 浙江铂仁旅游用品有限公司 Cutting device is used in case and bag processing
CN111633712B (en) * 2020-06-10 2022-03-01 丹阳西科汽车零部件有限公司 Automobile sealing strip production equipment

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GB1447620A (en) * 1972-09-30 1976-08-25 Jarvis W E J Apparatus for cutting or defo'rming sheet material
CH600026A5 (en) * 1976-05-15 1978-06-15 Max Toggenburger Cutter for foam-backed carpets
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GB2072563A (en) * 1980-03-27 1981-10-07 Cavagna E Sheet material processing e.g. cutting or creasing machine
FR2495989A1 (en) * 1980-12-17 1982-06-18 Renault Rotary cutter for soft sheet - has rotary blade driven by belts on both sides bearing against sheet

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GB1447620A (en) * 1972-09-30 1976-08-25 Jarvis W E J Apparatus for cutting or defo'rming sheet material
CH600026A5 (en) * 1976-05-15 1978-06-15 Max Toggenburger Cutter for foam-backed carpets
DE2839098A1 (en) * 1978-09-08 1980-03-20 Desma Werke Gmbh Slicing machine for bread or meat - has depressions in circular cutter sides for antifriction coating protected against scrapers
GB2072563A (en) * 1980-03-27 1981-10-07 Cavagna E Sheet material processing e.g. cutting or creasing machine
FR2495989A1 (en) * 1980-12-17 1982-06-18 Renault Rotary cutter for soft sheet - has rotary blade driven by belts on both sides bearing against sheet

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EP0671247A1 (en) * 1994-03-10 1995-09-13 MAN Roland Druckmaschinen AG Apparatus for slitting printed material in sheet-fed and rotary machines
EP0990491A1 (en) * 1998-09-29 2000-04-05 Kabushiki Kaisha Isowa Slitter
ITBO20080733A1 (en) * 2008-12-04 2010-06-05 L C R Macchine Automatiche S R L MACHINE FOR CARTON AND SIMILAR MATERIALS
EP2193893A1 (en) * 2008-12-04 2010-06-09 L.C.R. Macchine Automatiche S.R.L. A machine for working cardboard and similar materials
EP2439028A1 (en) * 2010-10-06 2012-04-11 Lin Tzu-Che Paperboard slitter machine
CN110142816A (en) * 2019-06-05 2019-08-20 浙江宏途电气科技有限公司 Ripple pipe manufacturing method
CN110142816B (en) * 2019-06-05 2020-12-25 安徽海东环保科技有限公司 Corrugated pipe manufacturing method
CN114454557A (en) * 2022-01-11 2022-05-10 重庆维博动力科技有限公司 Carton cardboard cord grip

Also Published As

Publication number Publication date
EP0443396A3 (en) 1992-01-08
CA2036684A1 (en) 1991-08-22
CA2036684C (en) 1996-09-24
ATE113889T1 (en) 1994-11-15
EP0443396B1 (en) 1994-11-09
AU639531B2 (en) 1993-07-29
CH682645A5 (en) 1993-10-29
JPH07112678B2 (en) 1995-12-06
DE69105006D1 (en) 1994-12-15
ES2065560T3 (en) 1995-02-16
JPH04226887A (en) 1992-08-17
DE69105006T2 (en) 1995-03-30
AU7123291A (en) 1991-08-22
US5134913A (en) 1992-08-04
BR9100697A (en) 1991-10-29

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